$GPOR SEC Filings

Filing Filed On
AMENDMENT NO. 1 TO FORM S-3 08 Nov 2007
AMENDMENT #1 TO FORM S-3 16 Jul 2007
AMENDMENT #2 TO FORM S-3 27 Apr 2006
AMENDMENT #1 TO FORM S-3 21 Apr 2006
AMENDMENT #2 TO FORM S-3 29 Dec 2005
AMENDMENT #1 TO FORM S-3 08 Jul 2005